Moses n



(No Model.)

A. B. STEVENS, Dec'd.

M. N. BAKER, Administrator. CONVERTIBLE CHAIR.

No. 480,636. Patented Aug. 9, 1892.

UNITED STATES PATENT OFFICE.

ASHER B. STEVENS, OF BROOKLYN, NEWV YORK; MOSES N. BAKER, ADMINIS- TRATOR OF SAID ASHER B. STEVENS, DEOEASED,,ASSIGNOR TO GILMAN WAITE, OF BALDWINVILLE, MASSACHUSETTS.

CONVERTIBLE CHAIR.

SPECIFICATION forming part of Letters Patent No. 480,636, dated August 9, 1892.

Application filed September 6, 1888. Renewed April 1, 1892. Serial No. 427,393. (No model.)

To all whom it may concern.-

- Be it known that I, ASHER B. STEVENS, a citizen of the United States, residing at Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Convertible Chairs, of which the following is a full, clear, and exact description.

The object of this invention is to provide a sewing-chair, so called, which may be converted into a rocking-chair or invalid or rolling chair.

The invention consists in a chair in which the legs, by preference the rear legs, are hinged to the chair-seat and combined with jointed rockers in such manner that the chair may be supported on its legs or by a slight movement may be converted into a rocking-chair. Such chair may also be provided with wheels or rollers whereby it may be converted into an invalid or rolling chair, all and severally as hereinafter particularly set forth and claimed.

In the accompanying drawings, in the several figures of which. like parts are similarly designated, Figure 1 is a side elevation showing the chair arranged as a rocking-chair. Fig. 2 is a side elevation showing the chair arranged as a sewing-chair, and Fig. 3 is a vertical section showing the chair arranged as an invalid or rolling chair.

The seat a, of any approved construction, may be provided with a back and arms, as desired. This seat is provided with pairs of front and rear legs I) 0, respectively. Inasmuch as it is desirable to arrange the movable parts of the chair at the rear thereof, so as to be out the way and thus less liable to derangement, I hinge the pair of rear legs by any suitable jointd to the chair-seat or to the posts of the back in such manner that said pair of rear legs may have a backward motion. It will be understood, however, that the pair of front legs b maybe hinged instead of the rear legs. WVhichever pair of legs remains stationary or is rigid with respect to the chair-seat is braced to said chair-seat, as by the angular braces e. Each rocker f is made in two pieces, which are hinged together at g, and also hinged at h and i to the front and rear legs, and the two parts of each rocker are so hinged together as to be capable of being drawn upward toward the chair-seat at their hinging-points g, as indicated in Fig. 2. Any movement of the rockers also effects the movement of the hinged legs.

A device j for operating the rockers consists of two segmental pieces 7t, arranged on the outside of the seat and connected just above the rockersby the cross-bar Z and in the rear of the back by a second cross-bar m, the lower ends of the side pieces It being connected to the rockers at the joint g, connecting their parts. These side pieces are provided with notches n, 0, and p, which engage with pins 0 and s on the side edges of the seat to hold the chair in either of its three positions.

To convert the chair from a rocker to a stationary chair, the rocker-operating device j has its notches n disengaged from the pin r by a forward movement of the said rockeroperating device and is then given an upward movement, whereby the two-part rockers are drawn up into the position indicated in Fig. 2, so as to throw the ends of the rockers onto the floor to constitute feet for the chair, and in this position the notches p of the rockeroperating device are engaged with the pins 5, whereby the parts of the chair are firmly held in that position. It will be noticed that in the movement of the two-part rockers up and down the hinged legs are carried inward or thrown outward, respectively.

Pairs of rollers or wheels it may be provided on the insides of the pairs of front and rear legs, which rollers or wheels will rest upon the floor when the rockers are drawn up into the position indicated in Fig. 3, so that the said chair may be used as a rolling or invalid chair.

When the parts are in the position indicated in Fig. 3, the rocker-operating device j will have its notches o in engagement with the pins 0".

It will be understood that the wheels or rollers 25 are of such diameter that when the chair is in either position indicated in Fig. 1 or Fig. 2 they will be raised above the floor and so become inoperative.

What I claim is 1. A chair comprising a seat, one pair of rigid legs and one pair of hinged legs, jointed rockers pivoted to said pairs of legs, and a rocker-operating device consisting, essentially, of segmental pieces pivoted to the jointed rockers at their points of juncture, provided with a connecting cross-bar and adapted to engage fixed portions of the chair for converting the chair into a sewing-chair or a rolling chair or rocking-chair at pleasure, substantially as described.

2. A chair comprising a seat, one pair of rigid legs and one pair of hinged legs, jointed rockers pivoted to said pairs of legs, and a rocker-operating device consisting, essentially, of segmental pieces pivoted to the jointed rockers at their points of juncture, provided with a connecting cross-bar and adapted to engage fixed portions of the chair, and pairs of rollers or wheels journaled to the legs to admit of the conversion of the chair into a sewing-chair, a rocking-chair, or a rolling or invalid chair, substantially as set forth.

3. A convertible chair comprising a seat provided with pins on its side edges, apair of legs rigidly secured to the seat, and a pair of legs hinged to the seat, jointed rockers pivoted to the legs, and a rocker-operating device pivoted to the rockers at their junction and extending rearwardly of the chair and notched to engage the said pins on the seat and provided witha cross-bar for connecting their ends in the rear of the chair, substantially as described.

In testimony whereof I have hereunto set my hand this 5th day of September, A. D. 1888.

ASHER B. STEVENS.

Witnesses:

0.11. FREDENEK, HARRY R. STANGE. 

